Glass shade



FIG. 1 is a perspective view of a glass shade showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view and right-and left-side elevational views being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a glass shade, as shown and described. 